[Bug 1889784]

[Ananda Laksmana]

(In reply to Ronan Jouchet from comment #33)
> (In reply to Ronan Jouchet from comment #32)
> > Trying VAAPI/X11 on Nightly 81.0a1/20200807213618, `intel_gpu_top` confirms HW acceleration is active, but ***all videos appears constantly green, for the whole duration of the video (not just for a moment or a few frames)*** . Is there already a bug for it, or should I file one?
> > 
> > - `MOZ_X11_EGL=1`
> > - `media.ffmpeg.dmabuf-textures.enabled:true` , `media.ffmpeg.vaapi.enabled:true` , `media.ffvpx.enabled:false`
> > - enhanced-h264ify forcing H264
> > - Arch, latest linux / xorg / intel drivers. Problem reproducible with both i965 and iHD drivers.
> 
> Additional info: issue reproduced on a fresh Nightly profile with zero config/extensions except for the above prefs, on a mp4/h264 file I'm sure my hardware can decode (according to `vainfo`), http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_1080p_30fps_normal.mp4 . I hear the sound, but video surface is completely green all the time.

I can reproduce this on my system with AMDGPU driver and with same
about:config entries as you.

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https://bugs.launchpad.net/bugs/1889784

Title:
  Hardware-accelerated video decoding (VA-API) broken in Firefox 79
  (Wayland)

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